Tracing Crypto in a Narcotics Investigation: FBI Charges Alleged Opioid Distributors
FBI used Chainalysis blockchain analytics to link a darknet drug vendor, BarbaraWhite, to two Jacksonville brothers, aiding their arrest for opioid distribution.

The case followed a multi‑year investigation into the darknet vendor BarbaraWhite, whose crypto payments were traced to the brothers’ wallets.
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Official regulatory enforcement with FBI charges in a narcotics investigation.